<?xml version="1.0"?>
<effect>
  <!--
A black circle about 100 pixels in diameter with an unsharp border which emits
white particles. Looks like a portal to another dimension. It takes about 420
particles and reduces the FPS by about 30%.

Could be used for a monster spawn area.
-->
  <particle position-x="0" position-y="0" position-z="64">
    <emitter>
      <property name="power" min="1" max="2"/>
      <property name="vertical-angle" min="0" max="360"/>
      <property name="position-x" min="-18" max="18"/>
      <property name="position-z" min="-18" max="18"/>
      <property name="image" value="graphics/particles/glow-medium.png|W:#000000"/>
      <property name="output" min="1" max="2"/>
      <property name="acceleration" value="0.05"/>
      <property name="lifetime" value="80"/>
    </emitter>
    <emitter>
      <property name="power" value="0.2"/>
      <property name="vertical-angle" min="-80" max="80"/>
      <property name="horizontal-angle" min="10" max="170"/>
      <property name="momentum" value="1.03"/>
      <property name="image" value="graphics/particles/orb-medium.png|W:#ffffff"/>
      <property name="lifetime" value="90"/>
      <property name="fade-out" value="45"/>
      <property name="output" value="3"/>
    </emitter>
  </particle>
</effect>
